Anchor device



FIG. 1 is a back view of the anchor device;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a top view thereof.

The broken lines in the drawings illustrate portions of the anchor device and form no part of the claimed design. 

CLAIM The ornamental design for an anchor device, as shown and described. 